const SYSTEM_INFO = uni.getSystemInfoSync();
 export const getStatusBarHeight =()=> SYSTEM_INFO.statusBarHeight || 0;
 
 export const getTitleBarHeight =()=>{
	 if(uni.getMenuButtonBoundingClientRect){
		 let {top,height} = uni.getMenuButtonBoundingClientRect();
		return height + (top - getStatusBarHeight())*2
	 }else{
		 return 40;
	 }
 }
 
 export const getNavBarHeight =()=> getStatusBarHeight() + getTitleBarHeight();
 
export const getLeftIconLeft = () => {
    // #ifdef MP-TOUTIAO
    let {leftIcon:{left,width}} = tt.getCustomButtonBoundingClientRect();
    return left + parseInt(width);
    // #endif

    // #ifndef MP-TOUTIAO
    // 在这里执行微信小程序环境下的逻辑，或者返回一个默认值
    return 0;
    // #endif
}